Home / 238,862-515,020

Finding the Third Proportional to 238,862 and 515,020

Calculator

Solution

The third proportional to 238,862 and 515,020 is: 1,110,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,862 : 515,020 = 515,020 : x
  2. Step 2: Convert to fraction form
    238,862/515,020 = 515,020/x
  3. Step 3: Cross multiply
    238,862x = 515,020 × 515,020
  4. Step 4: Simplify right side
    238,862x = 265,245,600,400
  5. Step 5: Solve for x
    x = 265,245,600,400/238,862
  6. Step 6: Final answer
    x = 1,110,455.41

Related Problems

Find third proportional to 119,431 and 257,510
Half scale
Find third proportional to 477,724 and 1,030,040
Double scale
Find third proportional to 238,864 and 515,024
Similar ratio
Find third proportional to 358,293 and 772,530
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.